. >> first term incumbent gerry connolly of virginia is hoping to hang on to his congressional seat. >> i am talking to many of my colleagues they get the threats and understand there is understandable anxiety in the country but they are prepared. >> reporter: president obama has much at stake not only does he risk losing his party's majority in congress this fall chances of re-election could get hurt. >> we need to bring checks and balances, tell the american people if we get back in control we are going to check this obama agenda. >> reporter: the latest gallup poll has troubling news republicans is a 10 point lead democratic voters may be in danger of dragging their feet with twice as many republicans saying they are enthusiastic about voting. >> no body in town doesn't think democrats lose 20 seats the question is could it be 40, 60, a change of power. >> reporter: they have a financial edge heading see the fall but republicans insist they have momentum. cbs news washington. >>> state attorney general, gerry brown will start an ad campaign to boost his run for the governors offic